Add 80/21 and 8/6
1st number: 3 17/21, 2nd number: 1 2/6
80/21 + 8/6 is 36/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 6 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 21 × 2 = 42,
80/21 = 80 × 2/21 × 2 = 160/42 - Likewise, for the 2nd fraction, since 6 × 7 = 42,
8/6 = 8 × 7/6 × 7 = 56/42 - Add the two like fractions:
160/42 + 56/42 = 160 + 56/42 = 216/42 - 216/42 simplified gives 36/7
- So, 80/21 + 8/6 = 36/7
In mixed form: 51/7
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